题目规定a∗b=a2−aba*b=a^{2}-aba∗b=a2−ab,如3∗2=32−3×2=33*2=3^{2}-3\times 2=33∗2=32−3×2=3,据此可得2∗(−1)2*\left(-1\right)2∗(−1)的值为______.知识点：多项式章节：数与式 / 整式
